Def type_definition == P:'a. rep:'b'a. type_definition('a;'b;P;rep)

is mentioned by

Thm* 'a,'b:S. Thm* exists Thm* (rep:hsum('a; 'b)  hbool  'a  'b  hbool. type_definition Thm* (rep:hsum('a; 'b)  hbool  'a  'b  hbool. (is_sum_rep Thm* (rep:hsum('a; 'b)  hbool  'a  'b  hbool. ,rep))

[hsum_ty_def]

In prior sections: hol bool

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